The short answer
Check the cabinet is still freezing, then look for a blocked defrost drain and a seal that is letting humid air in. Pull the plinth and check the base of the housing for water, because damage to the furniture starts there and is easy to miss.
Where the water shows
- Ice on the floor of the cabinet inside — A blocked defrost drain.
- Water seeping from under the plinth — It has already run through the housing.
- Swollen or dark cabinet base beside the appliance — Furniture damage from a long-running leak.
- Water with food softening — The machine has stopped cooling.
- Damp along the seal line — Humid air condensing at a gap.
- Not this fault: condensation on a cold decor panel — That is the room.
Ranked for integrated machines
- Defrost drain blocked with ice or debris — First on upright and built-in machines.
- Seal leaking behind the decor panel — Second.
- Melt because cooling has failed — Third, and the serious one.
- Evaporation tray displaced when the appliance was last moved — Fourth.
- Manual defrost water escaping into the housing — Fifth.
- Ice maker supply on the few plumbed machines — Last.
Find the source in this order
- Read a thermometer in the cabinet — Melt and drain faults are different problems.
- Look at the cabinet floor inside for ice — A blocked drain shows there first.
- Remove the plinth and look into the housing base — This is where the damage happens.
- Test the seal with a sheet of paper — A gap condenses moisture continuously.
Owner checks
- Take the plinth off and check the housing base for water — The single most valuable check on a built-in machine.
Tools: torchAbout 25 min
- Read a thermometer inside the cabinet — It separates melt from a drain blockage.
Tools: thermometerAbout 25 min
- Clear the defrost drain channel with warm water — Never with a sharp tool.
Tools: warm water, clothAbout 25 min
- Test the seal with paper around the door — A panelled door often leaks at the top corner.
Tools: paperAbout 15 min
- Dry the housing thoroughly and watch for the water returning — Chipboard does not recover once it swells.
Tools: clothAbout 20 min
- Stop before removing interior panels to reach the drain heater — It sits behind the evaporator.
Water, furniture and mains
Safety
Unplug the appliance or switch off its breaker before removing any panel - find the isolating switch first, because the plug behind a built-in machine is usually unreachable. A capacitor can hold a charge after the power is off. Keep a freezer at or below zero degrees Fahrenheit and do not refreeze food that has thawed above refrigerator temperature. Never chip ice with a sharp tool, and dry any water in the housing before restoring power.
When to call
Call when warm water does not clear the drain, because a drain that keeps freezing points at a defrost fault behind the interior panel. Call urgently when the cabinet is warming, since the water is melting food. Mention the appliance is integrated and that water has reached the housing, because the furniture may need to come apart for access.
Other faults on this freezer
Scope of this page
Generalized across freezer families under this badge, written for integrated and built-in installations; where a family-specific or model-specific page exists it is the narrower answer. Not here: drain dimensions, defrost heater specifications and housing details.
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.